4x+7(x-6)=90

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Solution for 4x+7(x-6)=90 equation:


Simplifying
4x + 7(x + -6) = 90

Reorder the terms:
4x + 7(-6 + x) = 90
4x + (-6 * 7 + x * 7) = 90
4x + (-42 + 7x) = 90

Reorder the terms:
-42 + 4x + 7x = 90

Combine like terms: 4x + 7x = 11x
-42 + 11x = 90

Solving
-42 + 11x = 90

Solving for variable 'x'.

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

Add '42' to each side of the equation.
-42 + 42 + 11x = 90 + 42

Combine like terms: -42 + 42 = 0
0 + 11x = 90 + 42
11x = 90 + 42

Combine like terms: 90 + 42 = 132
11x = 132

Divide each side by '11'.
x = 12

Simplifying
x = 12

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