4(x-1)+7(x-2)=90

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Solution for 4(x-1)+7(x-2)=90 equation:


Simplifying
4(x + -1) + 7(x + -2) = 90

Reorder the terms:
4(-1 + x) + 7(x + -2) = 90
(-1 * 4 + x * 4) + 7(x + -2) = 90
(-4 + 4x) + 7(x + -2) = 90

Reorder the terms:
-4 + 4x + 7(-2 + x) = 90
-4 + 4x + (-2 * 7 + x * 7) = 90
-4 + 4x + (-14 + 7x) = 90

Reorder the terms:
-4 + -14 + 4x + 7x = 90

Combine like terms: -4 + -14 = -18
-18 + 4x + 7x = 90

Combine like terms: 4x + 7x = 11x
-18 + 11x = 90

Solving
-18 + 11x = 90

Solving for variable 'x'.

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

Add '18' to each side of the equation.
-18 + 18 + 11x = 90 + 18

Combine like terms: -18 + 18 = 0
0 + 11x = 90 + 18
11x = 90 + 18

Combine like terms: 90 + 18 = 108
11x = 108

Divide each side by '11'.
x = 9.818181818

Simplifying
x = 9.818181818

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