9-7(x+2)=10-8(x+1)

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Solution for 9-7(x+2)=10-8(x+1) equation:


Simplifying
9 + -7(x + 2) = 10 + -8(x + 1)

Reorder the terms:
9 + -7(2 + x) = 10 + -8(x + 1)
9 + (2 * -7 + x * -7) = 10 + -8(x + 1)
9 + (-14 + -7x) = 10 + -8(x + 1)

Combine like terms: 9 + -14 = -5
-5 + -7x = 10 + -8(x + 1)

Reorder the terms:
-5 + -7x = 10 + -8(1 + x)
-5 + -7x = 10 + (1 * -8 + x * -8)
-5 + -7x = 10 + (-8 + -8x)

Combine like terms: 10 + -8 = 2
-5 + -7x = 2 + -8x

Solving
-5 + -7x = 2 + -8x

Solving for variable 'x'.

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

Add '8x' to each side of the equation.
-5 + -7x + 8x = 2 + -8x + 8x

Combine like terms: -7x + 8x = 1x
-5 + 1x = 2 + -8x + 8x

Combine like terms: -8x + 8x = 0
-5 + 1x = 2 + 0
-5 + 1x = 2

Add '5' to each side of the equation.
-5 + 5 + 1x = 2 + 5

Combine like terms: -5 + 5 = 0
0 + 1x = 2 + 5
1x = 2 + 5

Combine like terms: 2 + 5 = 7
1x = 7

Divide each side by '1'.
x = 7

Simplifying
x = 7

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