3x+2(5x+35)=-21

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Solution for 3x+2(5x+35)=-21 equation:


Simplifying
3x + 2(5x + 35) = -21

Reorder the terms:
3x + 2(35 + 5x) = -21
3x + (35 * 2 + 5x * 2) = -21
3x + (70 + 10x) = -21

Reorder the terms:
70 + 3x + 10x = -21

Combine like terms: 3x + 10x = 13x
70 + 13x = -21

Solving
70 + 13x = -21

Solving for variable 'x'.

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

Add '-70' to each side of the equation.
70 + -70 + 13x = -21 + -70

Combine like terms: 70 + -70 = 0
0 + 13x = -21 + -70
13x = -21 + -70

Combine like terms: -21 + -70 = -91
13x = -91

Divide each side by '13'.
x = -7

Simplifying
x = -7

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