7(x-10)-2=2(9x-7)-3

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Solution for 7(x-10)-2=2(9x-7)-3 equation:


Simplifying
7(x + -10) + -2 = 2(9x + -7) + -3

Reorder the terms:
7(-10 + x) + -2 = 2(9x + -7) + -3
(-10 * 7 + x * 7) + -2 = 2(9x + -7) + -3
(-70 + 7x) + -2 = 2(9x + -7) + -3

Reorder the terms:
-70 + -2 + 7x = 2(9x + -7) + -3

Combine like terms: -70 + -2 = -72
-72 + 7x = 2(9x + -7) + -3

Reorder the terms:
-72 + 7x = 2(-7 + 9x) + -3
-72 + 7x = (-7 * 2 + 9x * 2) + -3
-72 + 7x = (-14 + 18x) + -3

Reorder the terms:
-72 + 7x = -14 + -3 + 18x

Combine like terms: -14 + -3 = -17
-72 + 7x = -17 + 18x

Solving
-72 + 7x = -17 + 18x

Solving for variable 'x'.

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

Add '-18x' to each side of the equation.
-72 + 7x + -18x = -17 + 18x + -18x

Combine like terms: 7x + -18x = -11x
-72 + -11x = -17 + 18x + -18x

Combine like terms: 18x + -18x = 0
-72 + -11x = -17 + 0
-72 + -11x = -17

Add '72' to each side of the equation.
-72 + 72 + -11x = -17 + 72

Combine like terms: -72 + 72 = 0
0 + -11x = -17 + 72
-11x = -17 + 72

Combine like terms: -17 + 72 = 55
-11x = 55

Divide each side by '-11'.
x = -5

Simplifying
x = -5

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