5(2x-9)-3(4x+7)=25

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Solution for 5(2x-9)-3(4x+7)=25 equation:


Simplifying
5(2x + -9) + -3(4x + 7) = 25

Reorder the terms:
5(-9 + 2x) + -3(4x + 7) = 25
(-9 * 5 + 2x * 5) + -3(4x + 7) = 25
(-45 + 10x) + -3(4x + 7) = 25

Reorder the terms:
-45 + 10x + -3(7 + 4x) = 25
-45 + 10x + (7 * -3 + 4x * -3) = 25
-45 + 10x + (-21 + -12x) = 25

Reorder the terms:
-45 + -21 + 10x + -12x = 25

Combine like terms: -45 + -21 = -66
-66 + 10x + -12x = 25

Combine like terms: 10x + -12x = -2x
-66 + -2x = 25

Solving
-66 + -2x = 25

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '66' to each side of the equation.
-66 + 66 + -2x = 25 + 66

Combine like terms: -66 + 66 = 0
0 + -2x = 25 + 66
-2x = 25 + 66

Combine like terms: 25 + 66 = 91
-2x = 91

Divide each side by '-2'.
x = -45.5

Simplifying
x = -45.5

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