7-10x=4x+21

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Solution for 7-10x=4x+21 equation:


Simplifying
7 + -10x = 4x + 21

Reorder the terms:
7 + -10x = 21 + 4x

Solving
7 + -10x = 21 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
7 + -10x + -4x = 21 + 4x + -4x

Combine like terms: -10x + -4x = -14x
7 + -14x = 21 + 4x + -4x

Combine like terms: 4x + -4x = 0
7 + -14x = 21 + 0
7 + -14x = 21

Add '-7' to each side of the equation.
7 + -7 + -14x = 21 + -7

Combine like terms: 7 + -7 = 0
0 + -14x = 21 + -7
-14x = 21 + -7

Combine like terms: 21 + -7 = 14
-14x = 14

Divide each side by '-14'.
x = -1

Simplifying
x = -1

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