45-(3x+10)=3(x+7)+x

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Solution for 45-(3x+10)=3(x+7)+x equation:


Simplifying
45 + -1(3x + 10) = 3(x + 7) + x

Reorder the terms:
45 + -1(10 + 3x) = 3(x + 7) + x
45 + (10 * -1 + 3x * -1) = 3(x + 7) + x
45 + (-10 + -3x) = 3(x + 7) + x

Combine like terms: 45 + -10 = 35
35 + -3x = 3(x + 7) + x

Reorder the terms:
35 + -3x = 3(7 + x) + x
35 + -3x = (7 * 3 + x * 3) + x
35 + -3x = (21 + 3x) + x

Combine like terms: 3x + x = 4x
35 + -3x = 21 + 4x

Solving
35 + -3x = 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.
35 + -3x + -4x = 21 + 4x + -4x

Combine like terms: -3x + -4x = -7x
35 + -7x = 21 + 4x + -4x

Combine like terms: 4x + -4x = 0
35 + -7x = 21 + 0
35 + -7x = 21

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

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

Combine like terms: 21 + -35 = -14
-7x = -14

Divide each side by '-7'.
x = 2

Simplifying
x = 2

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