7x-5(5x+4)=142

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Solution for 7x-5(5x+4)=142 equation:


Simplifying
7x + -5(5x + 4) = 142

Reorder the terms:
7x + -5(4 + 5x) = 142
7x + (4 * -5 + 5x * -5) = 142
7x + (-20 + -25x) = 142

Reorder the terms:
-20 + 7x + -25x = 142

Combine like terms: 7x + -25x = -18x
-20 + -18x = 142

Solving
-20 + -18x = 142

Solving for variable 'x'.

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

Add '20' to each side of the equation.
-20 + 20 + -18x = 142 + 20

Combine like terms: -20 + 20 = 0
0 + -18x = 142 + 20
-18x = 142 + 20

Combine like terms: 142 + 20 = 162
-18x = 162

Divide each side by '-18'.
x = -9

Simplifying
x = -9

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