4x-7=-6x+21

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Solution for 4x-7=-6x+21 equation:


Simplifying
4x + -7 = -6x + 21

Reorder the terms:
-7 + 4x = -6x + 21

Reorder the terms:
-7 + 4x = 21 + -6x

Solving
-7 + 4x = 21 + -6x

Solving for variable 'x'.

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

Add '6x' to each side of the equation.
-7 + 4x + 6x = 21 + -6x + 6x

Combine like terms: 4x + 6x = 10x
-7 + 10x = 21 + -6x + 6x

Combine like terms: -6x + 6x = 0
-7 + 10x = 21 + 0
-7 + 10x = 21

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

Combine like terms: -7 + 7 = 0
0 + 10x = 21 + 7
10x = 21 + 7

Combine like terms: 21 + 7 = 28
10x = 28

Divide each side by '10'.
x = 2.8

Simplifying
x = 2.8

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