5x+4+2(4x-7)=90

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Solution for 5x+4+2(4x-7)=90 equation:


Simplifying
5x + 4 + 2(4x + -7) = 90

Reorder the terms:
5x + 4 + 2(-7 + 4x) = 90
5x + 4 + (-7 * 2 + 4x * 2) = 90
5x + 4 + (-14 + 8x) = 90

Reorder the terms:
4 + -14 + 5x + 8x = 90

Combine like terms: 4 + -14 = -10
-10 + 5x + 8x = 90

Combine like terms: 5x + 8x = 13x
-10 + 13x = 90

Solving
-10 + 13x = 90

Solving for variable 'x'.

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

Add '10' to each side of the equation.
-10 + 10 + 13x = 90 + 10

Combine like terms: -10 + 10 = 0
0 + 13x = 90 + 10
13x = 90 + 10

Combine like terms: 90 + 10 = 100
13x = 100

Divide each side by '13'.
x = 7.692307692

Simplifying
x = 7.692307692

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