7x+8+9x+8=90

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Solution for 7x+8+9x+8=90 equation:


Simplifying
7x + 8 + 9x + 8 = 90

Reorder the terms:
8 + 8 + 7x + 9x = 90

Combine like terms: 8 + 8 = 16
16 + 7x + 9x = 90

Combine like terms: 7x + 9x = 16x
16 + 16x = 90

Solving
16 + 16x = 90

Solving for variable 'x'.

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

Add '-16' to each side of the equation.
16 + -16 + 16x = 90 + -16

Combine like terms: 16 + -16 = 0
0 + 16x = 90 + -16
16x = 90 + -16

Combine like terms: 90 + -16 = 74
16x = 74

Divide each side by '16'.
x = 4.625

Simplifying
x = 4.625

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