7x+4+3x+16=90

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Solution for 7x+4+3x+16=90 equation:


Simplifying
7x + 4 + 3x + 16 = 90

Reorder the terms:
4 + 16 + 7x + 3x = 90

Combine like terms: 4 + 16 = 20
20 + 7x + 3x = 90

Combine like terms: 7x + 3x = 10x
20 + 10x = 90

Solving
20 + 10x = 90

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 + 10x = 90 + -20

Combine like terms: 20 + -20 = 0
0 + 10x = 90 + -20
10x = 90 + -20

Combine like terms: 90 + -20 = 70
10x = 70

Divide each side by '10'.
x = 7

Simplifying
x = 7

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