Question
Solve the equation
a=−4
Evaluate
7a=2(a−10)
Expand the expression
More Steps

Evaluate
2(a−10)
Apply the distributive property
2a−2×10
Multiply the numbers
2a−20
7a=2a−20
Move the variable to the left side
7a−2a=−20
Subtract the terms
More Steps

Evaluate
7a−2a
Collect like terms by calculating the sum or difference of their coefficients
(7−2)a
Subtract the numbers
5a
5a=−20
Divide both sides
55a=5−20
Divide the numbers
a=5−20
Solution
More Steps

Evaluate
5−20
Reduce the numbers
1−4
Calculate
−4
a=−4
Show Solution
