145=-7x+3(-1x+15)

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Solution for 145=-7x+3(-1x+15) equation:


Simplifying
145 = -7x + 3(-1x + 15)

Reorder the terms:
145 = -7x + 3(15 + -1x)
145 = -7x + (15 * 3 + -1x * 3)
145 = -7x + (45 + -3x)

Reorder the terms:
145 = 45 + -7x + -3x

Combine like terms: -7x + -3x = -10x
145 = 45 + -10x

Solving
145 = 45 + -10x

Solving for variable 'x'.

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

Add '10x' to each side of the equation.
145 + 10x = 45 + -10x + 10x

Combine like terms: -10x + 10x = 0
145 + 10x = 45 + 0
145 + 10x = 45

Add '-145' to each side of the equation.
145 + -145 + 10x = 45 + -145

Combine like terms: 145 + -145 = 0
0 + 10x = 45 + -145
10x = 45 + -145

Combine like terms: 45 + -145 = -100
10x = -100

Divide each side by '10'.
x = -10

Simplifying
x = -10

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