10x-7=45x+21

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Solution for 10x-7=45x+21 equation:


Simplifying
10x + -7 = 45x + 21

Reorder the terms:
-7 + 10x = 45x + 21

Reorder the terms:
-7 + 10x = 21 + 45x

Solving
-7 + 10x = 21 + 45x

Solving for variable 'x'.

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

Add '-45x' to each side of the equation.
-7 + 10x + -45x = 21 + 45x + -45x

Combine like terms: 10x + -45x = -35x
-7 + -35x = 21 + 45x + -45x

Combine like terms: 45x + -45x = 0
-7 + -35x = 21 + 0
-7 + -35x = 21

Add '7' to each side of the equation.
-7 + 7 + -35x = 21 + 7

Combine like terms: -7 + 7 = 0
0 + -35x = 21 + 7
-35x = 21 + 7

Combine like terms: 21 + 7 = 28
-35x = 28

Divide each side by '-35'.
x = -0.8

Simplifying
x = -0.8

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