Solution - Adding, subtracting and finding the least common multiple
Step by Step Solution
Rearrange:
Rearrange the equation by subtracting what is to the right of the greater than sign from both sides of the inequality :
3+5/2*x-(2*x-13/2)>0
Step by step solution :
Step 1 :
13
Simplify ——
2
Equation at the end of step 1 :
5 13
(3 + (— • x)) - (2x - ——) > 0
2 2
Step 2 :
Rewriting the whole as an Equivalent Fraction :
2.1 Subtracting a fraction from a whole
Rewrite the whole as a fraction using 2 as the denominator :
2x 2x • 2
2x = —— = ——————
1 2
Equivalent fraction : The fraction thus generated looks different but has the same value as the whole
Common denominator : The equivalent fraction and the other fraction involved in the calculation share the same denominator
Adding fractions that have a common denominator :
2.2 Adding up the two equivalent fractions
Add the two equivalent fractions which now have a common denominator
Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:
2x • 2 - (13) 4x - 13
————————————— = ———————
2 2
Equation at the end of step 2 :
5 (4x - 13)
(3 + (— • x)) - ————————— > 0
2 2
Step 3 :
5
Simplify —
2
Equation at the end of step 3 :
5 (4x - 13)
(3 + (— • x)) - ————————— > 0
2 2
Step 4 :
Rewriting the whole as an Equivalent Fraction :
4.1 Adding a fraction to a whole
Rewrite the whole as a fraction using 2 as the denominator :
3 3 • 2
3 = — = —————
1 2
Adding fractions that have a common denominator :
4.2 Adding up the two equivalent fractions
3 • 2 + 5x 5x + 6
—————————— = ——————
2 2
Equation at the end of step 4 :
(5x + 6) (4x - 13)
———————— - ————————— > 0
2 2
Step 5 :
Adding fractions which have a common denominator :
5.1 Adding fractions which have a common denominator
Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:
(5x+6) - ((4x-13)) x + 19
—————————————————— = ——————
2 2
Equation at the end of step 5 :
x + 19
—————— > 0
2
Step 6 :
6.1 Multiply both sides by 2
Solve Basic Inequality :
6.2 Subtract 19 from both sides
x > -19
Inequality Plot :
6.3 Inequality plot for
0.500 x + 9.500 > 0
One solution was found :
x > -19How did we do?
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