-3=10x+90-7x

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Solution for -3=10x+90-7x equation:


Simplifying
-3 = 10x + 90 + -7x

Reorder the terms:
-3 = 90 + 10x + -7x

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

Solving
-3 = 90 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-3 + -3x = 90 + 3x + -3x

Combine like terms: 3x + -3x = 0
-3 + -3x = 90 + 0
-3 + -3x = 90

Add '3' to each side of the equation.
-3 + 3 + -3x = 90 + 3

Combine like terms: -3 + 3 = 0
0 + -3x = 90 + 3
-3x = 90 + 3

Combine like terms: 90 + 3 = 93
-3x = 93

Divide each side by '-3'.
x = -31

Simplifying
x = -31

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