10+40(3-x)=90

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Solution for 10+40(3-x)=90 equation:


Simplifying
10 + 40(3 + -1x) = 90
10 + (3 * 40 + -1x * 40) = 90
10 + (120 + -40x) = 90

Combine like terms: 10 + 120 = 130
130 + -40x = 90

Solving
130 + -40x = 90

Solving for variable 'x'.

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

Add '-130' to each side of the equation.
130 + -130 + -40x = 90 + -130

Combine like terms: 130 + -130 = 0
0 + -40x = 90 + -130
-40x = 90 + -130

Combine like terms: 90 + -130 = -40
-40x = -40

Divide each side by '-40'.
x = 1

Simplifying
x = 1

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